CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 20,163	$ 26,147
Restricted deposits	618	699
Accounts receivable	2,593	5,481
Unbilled revenue	6,218	5,213
Inventory	5,363	5,106
Other current assets	3,618	3,547
Total current assets	38,573	46,193
Property and equipment, net	1,599	927
Severance assets	3,241	3,165
Restricted deposit	118	115
Intangible assets, net	9,305	9,561
Goodwill	6,646	6,630
Other assets	863	745
Total assets	60,345	67,336
LIABILITIES AND EQUITY
Short-term bank credit and current maturities of long-term bank debt	276	153
Accounts payable	1,641	2,631
Accrued payroll, payroll taxes and social benefits	2,185	2,420
Deferred Revenue	2,309	3,323
Other current liabilities	2,095	1,708
Total current liabilities	8,506	10,235
Long-term liabilities:
Accrued severance	4,602	4,491
Other long-term liabilities	763	665
Total long-term liabilities	5,365	5,156
Equity:
Common stock - $0.01 par value per share: Authorized - 30,000,000 shares; Issued -18,870,526 and 18,890,536 shares at December 31, 2012 and March 31, 2013, respectively	188	188
Additional paid-in capital	83,210	83,469
Warrants	44	55
Accumulated deficit	(34,708)	(29,733)
Treasury stock, at cost - 801,920 shares at December 31, 2012 and March 31, 2013	3,036	3,036
Accumulated other comprehensive income	678	716
Total Acorn Energy, Inc. shareholders’ equity	46,376	51,659
Non-controlling interests	98	286
Total equity	46,474	51,945
Total liabilities and equity	$ 60,345	$ 67,336
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	18,892,456	18,870,526
Treasury stock, shares	801,920	801,920